1,4-Dichlorobenzene-d4

6-Fluoro-2,2',4,4'-tetrabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 876310-23-4

PCB Congeners & Hexachlorobenzene Mix #3

3,3',4,4'-Tetrabromobiphenyl, 1.2ml x 50ug/ml, nonane